如果三角形的三边长分别为4、6、8，那么连结该三角形三边中点所得三角形的周长是（　　）

    Last week, we asked some students about how to1 friends and if friends should 2the same or different. Here is what one of the students said.

    Jeff Green, a shy boy, said he is quieter and more serious than most kids. That's3he likes reading books and studies much 4 in class. He and his friend Yuan Li have one thing in 5: they are both quiet. Jeff thinks friends are like books — you don't need a lot of them, as long as they are good.